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Investigators said the woman then called her son to pick her up, and when the victim arrived he got into a fight with Phillips.

Phillips then went inside the home and got his gun and began shooting, according to officials.

Authorities said the unidentified 20-year-old was shot in the abdomen.

"The argument escalated to a physical fight. It seemed like the (step)son was getting the best of the (step)father," said Orange County Sheriff's Office Lt. Stacie Moore. "The father went in the house and retrieved a handgun, came outside and shot the son once."

The victim, who has non-life-threatening injuries, is being treated at Orlando Regional Medical Center.

Phillips has been charged with attempted murder, aggravated battery with a firearm and domestic violence.